CN101152767A - Method for shaping continuous fiber reinforced thermoplastic resin and shaping equipment thereof - Google Patents
Method for shaping continuous fiber reinforced thermoplastic resin and shaping equipment thereof Download PDFInfo
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- CN101152767A CN101152767A CNA2006101224594A CN200610122459A CN101152767A CN 101152767 A CN101152767 A CN 101152767A CN A2006101224594 A CNA2006101224594 A CN A2006101224594A CN 200610122459 A CN200610122459 A CN 200610122459A CN 101152767 A CN101152767 A CN 101152767A
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- thermoplastic resin
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- continuous fiber
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- soakage
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Abstract
The present invention discloses a molding method and molding equipment for a continuous long fiber reinforced thermoplastic resin. The molding equipment of the present invention comprises a melting soakage mould. The melting soakage mould comprises a soakage mould outer body and a hot ductility resin fused mass crack flow passage, a soakage independent flow passage, a continuous long fiber inlet passage and a soakage outlet which are arranged in the soakage mould outer body. The hot ductility resin fused mass crack flow passage is arranged on upstream end and forms an angle with the continuous fiber inlet passage. The hot ductility resin fused mass crack flow passage and the continuous fiber inlet passage are both communicated with the soakage independent flow passage. The soakage outlet is arranged on downstream end and is communicated with the end of the soakage independent flow passage. The soakage independent flow passage is also provided with at least one tension roller group which is capable to rotate freely. Using the molding equipment of the present invention for manufacturing continuous fiber reinforced thermoplastic resin avoids the interference and impairment between fiber bundles, guarantees the stable and continuous production and improves the dipping effect, so fiber reinforced thermoplastic resin with excellent performance can be obtained.
Description
Technical field
The present invention relates to continuous fiber reinforced thermoplastic resin, specifically, relate to a kind of forming method and former thereof of continuous fiber reinforced thermoplastic resin.
Background technology
To be that a kind of fortifying fibre is unidirectional arrange and the enhancing thermoplastic resin of its length and resin granular material equal in length continuous fiber reinforced thermoplastic resin.It strengthens thermoplastic resin with conventional short fiber compares, and has excellent more mechanical performance, dynamic fatigue resistance energy, anti-warpage properties etc.Therefore, be particularly suitable under some occasion, replacing cast iron, aluminium and thermosetting plastics etc.
Impregnating equipment and dipping method that some disclosed preparation continuous fiber reinforced thermoplastic resins have been arranged.The common drawback of these forming methods is to make continuous tow obtain desirable dipping owing to the design defect of impregnating equipment.For example:
At publication number is in the Chinese invention patent of CN1037679 and CN1017693B, the forming method of being mentioned all is to utilize " crest " and " trough " of a similar sinusoidal bending channel to apply tension force to continuous fiber to come loosen collagen fibre, and the molten thermoplastic resin is flooded continuous fiber simultaneously.Because fiber directly contacts with above-mentioned bending channel and contact point is non-rotatable, therefore is easy to cause fractureing of fiber, may produce continuously hardly; Simultaneously, because the thermoplastic resin melt in such bending channel almost is the stable state laminar flow, be unfavorable for dipping to fiber; In addition, because the path of every bundle fiber process is not separate, this is easy to cause the phase mutual interference between the fibre bundle.
At publication number is in the Chinese invention patent of CN1131427A, mention the resin pool in thermoplastic resin and the rove type long fibre bundle feeding right-angle handpiece, make long fibre bundle feeding direction intersect, allow the long fibre bundle wriggle then by a plurality of parallel to each other and can prolong the metal bar that fibre bundle passes through the apart rule distance layout in path with the direction of molten resin.Fiber trails when the long fibre bundle contacts with metal bar, the impregnated molten resin of going up of the fibre bundle that trails simultaneously.Therefore the defective of this forming method is: metal bar can not rotate, and can cause fractureing of fiber when metal bar closely contacts with fibre bundle and makes the production interruption; Simultaneously, can not rotate, make molten resin can not produce enough turbulent flows, so continuous fiber can not obtain desirable dipping effect just because of metal bar; In addition, all fibre bundles all pass through a resin pool, can the phase mutual interference between the fibre bundle.
At publication number is in the Chinese invention patent of CN1066676C, mention continuous tow is immersed in the molten resin pond, make it the space that forms by between the shredding minor axis simultaneously, the shredding minor axis constitute to and be arranged on the both sides of fibre bundle, promptly make continuous tow be sandwiched between the shredding minor axis and do not contact, thus fiber is carried out shredding and flood with the fibre bundle of resin to shredding with any shredding minor axis.In this forming method, although directly contacting with the shredding minor axis, fibre bundle can not avoid fractureing of fibre bundle, but fibre bundle can not obtain good parallel dispersion, and resin melt can not form enough turbulent flows simultaneously, so fibre bundle can not obtain good effect of impregnation may; In addition, because resin pool is not the separate independent runner of every bundle fiber bundle design, equally also can not avoid the phase mutual interference between the fibre bundle.
Summary of the invention
The objective of the invention is to overcome the various defectives that exist among the existing continuous fiber reinforced thermoplastic resin preparation method, provide a kind of energy steady production and fibre bundle can access the forming method of the continuous fiber reinforced thermoplastic resin of desirable dipping.
Another object of the present invention provides the former of above-mentioned forming method.
The former that is used to produce continuous fiber reinforced thermoplastic resin of the present invention, comprise fuse dipping die, it is characterized in that described fuse dipping die comprises the dipping former ectosome, be located at thermoplastic resin melt crack runner in the impregnating equipment ectosome, flood independent runner, continuous fiber access road and dipping outlet; Described thermoplastic resin melt crack runner is located at the upstream extremity of dipping former ectosome; The continuous fiber access road is located in the plane that has angle with plane, thermoplastic resin melt crack runner place, thermoplastic resin melt crack runner, continuous fiber access road all are communicated with the independent runner of dipping, and the dipping outlet is located at impregnating equipment ectosome downstream and is communicated with the independent flow field end of dipping; Flood and also be provided with at least one group of jockey pulley that can rotate freely in the independent runner.
In above-mentioned impregnating equipment, described thermoplastic resin melt crack runner enters the dipping runner uniformly and stably and sets up certain melt pressure in order to guarantee the thermoplastic resin melt.Described continuous fiber access road is used to introduce continuous fiber, simultaneously continuous fiber is carried out preheating, is beneficial to the thermoplastic resin melt continuous fiber is flooded.The independent runner of described dipping has guaranteed the individual flow direction of thermoplastic resin melt, has avoided the phase mutual interference between the different continuous tows, provides by the space of thermoplastic resin melt impregnation for continuous fiber simultaneously.
In above-mentioned former, described thermoplastic resin melt crack flow field end cross section is a rectangle, and crack runner height is 5～50mm, and preferred crack runner height is 10～20mm.
In above-mentioned former, the width of described continuous fiber access road cross section is 5～20mm, highly is 2～5mm.
In above-mentioned former, described thermoplastic resin melt crack runner is to seamlessly transit with arc surface with flooding being communicated with between the independent runner.
In above-mentioned former, the cross section of the independent runner of described dipping is circle, rectangle, semicircle, trapezoidal or semicircle and the tangent shape of rectangle; The diameter of described circle or semicircle is 40～100mm.
In above-mentioned former, described one group of jockey pulley contains three jockey pulleys, and the distance between adjacent two jockey pulley horizontal directions is 5～30mm, and the distance between the vertical direction is 0～10mm.Also can a jockey pulley be set in the independent flow field end of dipping.
In above-mentioned former, the exradius of described jockey pulley is 10～30mm, has 6～12 roads along the equally distributed circular groove of jockey pulley circumference on vertically.The perpendicular layout of the center line of this jockey pulley and above-mentioned dipping runner, continuous fiber is alternately walked around these jockey pulleys before broken line and then make fibre single thread dispersion parallel to each other, simultaneously because of the jockey pulley rotation with and special structure design cause enough melt turbulent flows, thereby make continuous fiber obtain desirable dipping.
In above-mentioned former, the cross section of described dipping outlet is rectangle or circle; The wide of rectangle is 2～5mm, and height is 2～4mm; Circular radius is 2～5mm.
The method of utilizing the described former of claim 1 to produce continuous fiber reinforced thermoplastic resin comprises the steps:
(1) the thermoplastic resin melt is flow in the independent runner of dipping by thermoplastic resin melt crack runner;
(2) the continuous fiber bundle is incorporated in the independent runner of dipping through the continuous fiber access road;
(3) the continuous fiber bundle advances along broken line after alternately walking around in groups jockey pulley, floods the fully continuous fiber that spread out by jockey pulley of dipping of turbulent flow that the thermoplastic resin melt in the independent runner produces;
(4) continuous fiber behind the dipping along the center of dipping outlet by forming the fiber reinforced thermoplastic resin of reservation shape;
(5) fiber reinforced thermoplastic resin is become the continuous fiber reinforced thermoplastic resin particle of predetermined length through cooling, traction, pelletizing.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention has adopted the independent runner of dipping in impregnating equipment, makes every bundle continuous fiber to advance along direction independently, has avoided the phase mutual interference between the fibre bundle, has guaranteed long-time continuous stable production.
(2) because the jockey pulley that continuous fiber is alternately walked around can rotate freely, therefore the phenomenon that does not have fiber to lose has guaranteed the production of continuous high speed.
(3) owing to longitudinally have circular groove on the jockey pulley, jockey pulley drives the thermoplastic resin melt when rotated and produces enough melt turbulent flows, this has improved the dipping effect of continuous fiber significantly, thus the excellent more fiber reinforced thermoplastic resin of obtained performance.
Description of drawings
Fig. 1 is the vertical cross-section schematic diagram of impregnating equipment of the present invention;
Fig. 2 is the vertical cross-section schematic diagram of the used jockey pulley of the present invention.
Wherein, 1 is the impregnating equipment ectosome; 2 is thermoplastic resin melt crack runner; 3 are the independent runner of dipping; 4 is jockey pulley; 5 is the continuous fiber access road; 6 are the dipping outlet.
The specific embodiment
As shown in Figure 1 and Figure 2, a kind of impregnating equipment that is used to prepare continuous fiber reinforced thermoplastic resin comprises impregnating equipment ectosome (1); Be located at the thermoplastic resin melt crack runner (2) of impregnating equipment ectosome (1) upstream extremity, the runner horizontal positioned, end is communicated with the independent runner of dipping (3); Flood and be provided with one group of jockey pulley that can rotate freely in the independent runner (3), it is made up of three jockey pulleys (4), and end also is provided with a jockey pulley (4), and 6 road circular grooves are arranged on the jockey pulley (4); Continuous fiber access road (5) plane, place and horizontal plane have angle; Dipping outlet (6) is located at impregnating equipment ectosome (1) end and is communicated with the independent runner of dipping (3).
In the independent runner of dipping (3) that a branch of continuous fiber is incorporated into by continuous fiber access road (5); Advance along broken line in three jockey pulleys (4) back that this bundle continuous fiber is alternately walked around in groups; At this moment, jockey pulley (4) rotation that longitudinally has a circular groove causes by thermoplastic resin melt crack runner (2) and flow into the enough turbulent flows of thermoplastic resin melt in the independent runner of dipping (3) and flood the continuous fiber that is evenly spread out by jockey pulley (4) effectively; Continuous fiber behind the dipping along the center of dipping outlet (6) by forming the fiber reinforced thermoplastic resin of reservation shape; At last, fiber reinforced thermoplastic resin is become the continuous fiber reinforced thermoplastic resin particle of predetermined length through cooling, traction, pelletizing.
The continuous fiber of walking around these three jockey pulleys of group (4) laterally evenly scatter abreast; Jockey pulley (4) rotates freely losing of having avoided that continuous fiber Shu Zaiyu jockey pulley (4) causes when closely contacting, for continual and steady production provides powerful guarantee; The longitudinal fluting of jockey pulley (4) makes the thermoplastic resin melt produce enough turbulent flows in the process that jockey pulley (4) rotates freely; And turbulent flow can be so that be improved through the horizontal dipping effect of even scattered continuous fiber bundle significantly, thereby obtain the excellent more and uniform and stable fiber reinforced thermoplastic resin of performance.In addition, the melt in the groove can obtain upgrading under action of centrifugal force, does not also have buildup.
Claims (10)
1. former that is used to produce continuous fiber reinforced thermoplastic resin, comprise fuse dipping die, it is characterized in that described fuse dipping die comprise dipping former ectosome (1) and be located at thermoplastic resin melt crack runner (2) in the dipping former ectosome (1), flood independent runner (3), continuous fiber access road (5) and dipping outlet (6); Described thermoplastic resin melt crack runner (2) is located at the upstream extremity of dipping former ectosome (1); Continuous fiber access road (5) is located in the plane that has angle with thermoplastic resin melt crack runner (2) plane, place, thermoplastic resin melt crack runner (2), continuous fiber access road (5) all are communicated with the independent runner of dipping (3), and dipping outlet (6) is located at impregnating equipment ectosome (1) downstream and is communicated with the independent runner of dipping (3) is terminal; Flood and also be provided with at least one group of jockey pulley that can rotate freely (4) in the independent runner (3).
2. former according to claim 1 is characterized in that the terminal cross section of described thermoplastic resin melt crack runner (2) is a rectangle, and crack runner height is 5～50mm.
3. former according to claim 1 is characterized in that the width of described continuous fiber access road (5) cross section is 5～20mm, highly is 2～5mm.
4. former according to claim 1 is characterized in that described thermoplastic resin melt crack runner (2) is to seamlessly transit with arc surface with flooding being communicated with between the independent runner (3).
5. former according to claim 1 is characterized in that the cross section of the independent runner of described dipping (3) is circle, rectangle, semicircle, trapezoidal or semicircle and the tangent shape of rectangle; The diameter of described circle or semicircle is 40～100mm.
6. former according to claim 1 is characterized in that: one group of jockey pulley (4) is made up of three jockey pulleys, and the distance between adjacent two jockey pulley horizontal directions is 5～30mm, and the distance between the vertical direction is 0～10mm.
7. according to claim 1 or 6 described formers, it is characterized in that the independent runner of described dipping (3) end also is provided with a jockey pulley (4).
8. former according to claim 1, the exradius that it is characterized in that described jockey pulley (4) is 10～30mm, has 6～12 roads along the equally distributed circular groove of jockey pulley (4) circumference on vertically.
9. former according to claim 1 is characterized in that the cross section of described dipping outlet (6) is rectangle or circle; The wide of rectangle is 2～5mm, and height is 2～4mm; Circular radius is 2～5mm.
10. a method of utilizing the described former of claim 1 to produce continuous fiber reinforced thermoplastic resin is characterized in that comprising the steps:
(1) the thermoplastic resin melt is flow in the independent runner of dipping (3) by thermoplastic resin melt crack runner (2);
(2) the continuous fiber bundle is incorporated in the independent runner of dipping (3) through continuous fiber access road (5);
(3) advance along broken line in jockey pulley (4) back alternately walked around in groups of continuous fiber bundle, floods the fully continuous fiber that spread out by jockey pulley (4) of dipping of turbulent flow that the thermoplastic resin melt in the independent runner (3) produces;
(4) continuous fiber behind the dipping along the center of dipping outlet (6) by forming the fiber reinforced thermoplastic resin of reservation shape;
(5) fiber reinforced thermoplastic resin is become the continuous fiber reinforced thermoplastic resin particle of predetermined length through cooling, traction, pelletizing.
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| CNB2006101224594A CN100548645C (en) | 2006-09-27 | 2006-09-27 | A kind of forming method of continuous fiber reinforced thermoplastic resin and former thereof |
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| CN102225624A (en) * | 2011-05-27 | 2011-10-26 | 常州市华星新材料科技有限公司 | Forming process of composite board of continuous fiber base cloth and thermoplastic resin |
| CN102367004A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Impregnation equipment and method for serial continuous long fiber enhanced thermoplastic plastics |
| CN102367003A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Equipment and method for impregnating continuous long fiber reinforced thermoplastics |
| CN101695873B (en) * | 2009-10-30 | 2012-05-30 | 广州科苑新型材料有限公司 | Fiber bundle fuse dipping die head for producing long fiber reinforced plastic and dipping method |
| CN103660320A (en) * | 2013-12-18 | 2014-03-26 | 上海日之升新技术发展有限公司 | Melt impregnation device for continuous long glass fiber reinforced POM (polyformaldehyde) production and impregnation method |
| CN103692665A (en) * | 2013-12-18 | 2014-04-02 | 上海日之升新技术发展有限公司 | Glass fiber bundle reaction type melting and infiltrating equipment for producing continuous long glass fiber reinforced PPO (Poly-p-Phenylene Oxide) and infiltrating method of equipment |
| CN103737736A (en) * | 2014-01-09 | 2014-04-23 | 朱建一 | Preparation device and method of long fiber-enhanced thermoplastic composite resin granule |
| CN104356511A (en) * | 2014-11-26 | 2015-02-18 | 朱建一 | High-rigidity creep-resistant long-fiber-reinforced master batch for wood plastic products, and preparation and mold thereof |
| CN106182798A (en) * | 2009-11-06 | 2016-12-07 | 波音公司 | Compression mod preparation method and the thermoplastic component of enhancing thus moulded |
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| CN111438967A (en) * | 2020-04-15 | 2020-07-24 | 北京机科国创轻量化科学研究院有限公司 | Forming device and process of long fiber reinforced thermoplastic resin composite material |
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| CN101695873B (en) * | 2009-10-30 | 2012-05-30 | 广州科苑新型材料有限公司 | Fiber bundle fuse dipping die head for producing long fiber reinforced plastic and dipping method |
| CN106182798A (en) * | 2009-11-06 | 2016-12-07 | 波音公司 | Compression mod preparation method and the thermoplastic component of enhancing thus moulded |
| CN102225624B (en) * | 2011-05-27 | 2013-07-17 | 常州市华星新材料科技有限公司 | Forming process of composite board of continuous fiber base cloth and thermoplastic resin |
| CN102225624A (en) * | 2011-05-27 | 2011-10-26 | 常州市华星新材料科技有限公司 | Forming process of composite board of continuous fiber base cloth and thermoplastic resin |
| CN102367004B (en) * | 2011-09-20 | 2014-05-21 | 四川大学 | Impregnation equipment and method for serial continuous long fiber enhanced thermoplastic plastics |
| CN102367003A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Equipment and method for impregnating continuous long fiber reinforced thermoplastics |
| CN102367004A (en) * | 2011-09-20 | 2012-03-07 | 四川大学 | Impregnation equipment and method for serial continuous long fiber enhanced thermoplastic plastics |
| CN102367003B (en) * | 2011-09-20 | 2014-08-06 | 四川大学 | Equipment and method for impregnating continuous long fiber reinforced thermoplastics |
| CN103660320B (en) * | 2013-12-18 | 2016-03-30 | 上海日之升新技术发展有限公司 | Continuous long glass fiber reinforced POM production infiltrated with molten metal device and wetting method |
| CN103660320A (en) * | 2013-12-18 | 2014-03-26 | 上海日之升新技术发展有限公司 | Melt impregnation device for continuous long glass fiber reinforced POM (polyformaldehyde) production and impregnation method |
| CN103692665B (en) * | 2013-12-18 | 2016-08-17 | 上海日之升科技有限公司 | Continuous long glass fiber strengthens PPO and produces with glass fiber bundle response type infiltrated with molten metal equipment and wetting method |
| CN103692665A (en) * | 2013-12-18 | 2014-04-02 | 上海日之升新技术发展有限公司 | Glass fiber bundle reaction type melting and infiltrating equipment for producing continuous long glass fiber reinforced PPO (Poly-p-Phenylene Oxide) and infiltrating method of equipment |
| CN103737736A (en) * | 2014-01-09 | 2014-04-23 | 朱建一 | Preparation device and method of long fiber-enhanced thermoplastic composite resin granule |
| CN104356511A (en) * | 2014-11-26 | 2015-02-18 | 朱建一 | High-rigidity creep-resistant long-fiber-reinforced master batch for wood plastic products, and preparation and mold thereof |
| CN109370209A (en) * | 2018-11-19 | 2019-02-22 | 中山大学 | A kind of liquid phase preparation process and preparation facilities of ultra-thin prepreg tape |
| CN110358293A (en) * | 2019-07-24 | 2019-10-22 | 金旸（厦门）新材料科技有限公司 | A kind of nylon composite materials and its prepare raw material and preparation facilities and method |
| CN111438967A (en) * | 2020-04-15 | 2020-07-24 | 北京机科国创轻量化科学研究院有限公司 | Forming device and process of long fiber reinforced thermoplastic resin composite material |
| CN111438967B (en) * | 2020-04-15 | 2022-02-01 | 北京机科国创轻量化科学研究院有限公司 | Forming device and process of long fiber reinforced thermoplastic resin composite material |
| CN114434672A (en) * | 2020-10-30 | 2022-05-06 | 中国石油化工股份有限公司 | Dipping die, dipping method and manufacturing system comprising dipping die |
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Owner name: KINGFA TECHNOLOGY CO., LTD. Free format text: FORMER NAME: GUANGZHOU JINFA SCIENCE + TECHNOLOGY CO. LTD. |
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Address after: 510660 Guangzhou Science City high tech Industrial Development Zone No. 33 Ke Feng Lu Co-patentee after: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee after: Kingfa Technology Co., Ltd. Address before: 510520 Guangdong city of Guangzhou province Tianhe District Ke Mu Lang Gaotang Industrial Zone Co-patentee before: Shanghai Kingfa Science and Technology Development Co., Ltd. Patentee before: Guangzhou Jinfa Science & Technology Co., Ltd. |
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Assignee: Tianjin Kingfa New Materials Co., Ltd. Assignor: Golden hair Polytron Technologies Inc |Shanghai golden hair science and Technology Development Co., Ltd. Contract record no.: 2011440000004 Denomination of invention: Method for shaping continuous fiber reinforced thermoplastic resin and shaping equipment thereof Granted publication date: 20091014 License type: Exclusive License Open date: 20080402 Record date: 20110104 |